QISF 16Pcs Brad Point Wood Drill Bit 3/4/5/6/8/10/12mm Wood Working Drill with 3-12MM Center Point and Stopper Perfect for Woodworking Carpentry Drilling - Amazon.com
IRWIN HANSON 1/4" - 28 NF Tap and No. 3 Drill Bit Set, 80232 - Core Drill Bits - Amazon.com
2-Inch by 3/8-Inch Shank Forstner Drill Bit - Amazon.com
Hyper Tough 12-Step Split Point Titanium Coated Drill Bit, 3/16 - 7/8-inch, Model 42536 - Walmart.com